function loadingMsg(params) {
  let wrap = document.getElementById(params.wrap);
  wrap.innerHTML = ` <div class="loading-wait">
  <div class="${params.iconClass}">
    <i class="iconfont ${params.iconfont}">
    </i>
  </div>
  <p>
  ${params.message}
  </p>
</div>`
}